Finding the Fourth Proportional to 121,651.44, 167,895.90 and 67,939.53
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Solution
The fourth proportional to 121,651.44, 167,895.90 and 67,939.53 is: 93,766.00
Step by Step Solution
- Step 1: Write the proportion equation
121,651.44 : 167,895.90 = 67,939.53 : x - Step 2: Convert to fraction form
121,651.44/167,895.90 = 67,939.53/x - Step 3: Cross multiply
121,651.44x = 167,895.90 × 67,939.53 - Step 4: Simplify right side
121,651.44x = 11,406,768,534.93 - Step 5: Solve for x
x = 11,406,768,534.93/121,651.44 - Step 6: Final answer
x = 93,766.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.